//封装分类数据业务相关代码
import { ref, onMounted } from 'vue'
import { onBeforeRouteUpdate } from "vue-router";
import { useRoute } from "vue-router";
import { getCategoryAPI } from "@/apis/category";
export function useCategory() {
    //获取数据
    const categoryData = ref({});
    const route = useRoute();
    const getCategory = async (id = route.params.id) => {
        const res = await getCategoryAPI(id);
        categoryData.value = res.result;
    };
    onMounted(() => getCategory());
    //路由参数变化时，可以把分类数据接口重新发送
    onBeforeRouteUpdate((to) => {
        //console.log("路由变化了");
        // 存在问题：使用最新的路由参数请求最新的分类数据
        //console.log(to);
        getCategory(to.params.id);
    });
    return {
        categoryData
    }
}